
![]() | Johannes Helmerhorst |
| Johannes Helmerhorst | |
| G: | 28 dec 1902 |
| Amsterdam | |
| O: | 26 mei 1970 |
![]() | Helena Sophia de Graaff |
| Helena Sophia de Graaff | |
| G: | 6 sep 1906 |
| Laren NH | |
| H: | 23 aug 1928 |
| Zeist | |
| O: | Ja, datum echter onbekend |
![]() | Anna Hendrika Rigter |
| Anna Hendrika Rigter | |
| G: | ca. 1870 |
| Amsterdam | |
| O: | 1 jul 1953 |
| Breda | |
![]() | Christiaan Helmerhorst |
| Christiaan Helmerhorst | |
| G: | ca. 1873 |
| Arnhem | |
| H: | 27 sep 1893 |
| Amsterdam | |
| O: | Ja, datum echter onbekend |